Finding the Fourth Proportional to 1,418,409,923.80, 2,125,823,295.30 and 689,829,827.80
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Solution
The fourth proportional to 1,418,409,923.80, 2,125,823,295.30 and 689,829,827.80 is: 1,033,873,419.19
Step by Step Solution
- Step 1: Write the proportion equation
1,418,409,923.80 : 2,125,823,295.30 = 689,829,827.80 : x - Step 2: Convert to fraction form
1,418,409,923.80/2,125,823,295.30 = 689,829,827.80/x - Step 3: Cross multiply
1,418,409,923.80x = 2,125,823,295.30 × 689,829,827.80 - Step 4: Simplify right side
1,418,409,923.80x = 1,466,456,317,730,027,520 - Step 5: Solve for x
x = 1,466,456,317,730,027,520/1,418,409,923.80 - Step 6: Final answer
x = 1,033,873,419.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.